diff --git a/modules/gdcvault/browser.py b/modules/gdcvault/browser.py
index a15fb7d5..2343f5a2 100644
--- a/modules/gdcvault/browser.py
+++ b/modules/gdcvault/browser.py
@@ -81,7 +81,7 @@ class GDCVaultBrowser(BaseBrowser):
     def get_video(self, url, video=None):
         self.location(url)
         # redirects to /login means the video is not public
-        if not isinstance(self.page, VideoPage):
+        if not self.is_on_page(VideoPage):
             raise BrowserUnavailable('Requires account')
         return self.page.get_video(video)